methylbenzene vs toluene

methylbenzene and toluene both are nouns.

Word	Noun	Adjective	Verb	Adverb
methylbenzene	Yes	No	No	No
toluene	Yes	No	No	No

As nouns, methylbenzene and toluene are synonyms defined as:

methylbenzene and toluene: a colorless flammable liquid obtained from petroleum or coal tar; used as a solvent for gums and lacquers and in high-octane fuels

methylbenzene (noun)	toluene (noun)
a colorless flammable liquid obtained from petroleum or coal tar; used as a solvent for gums and lacquers and in high-octane fuels	a colorless flammable liquid obtained from petroleum or coal tar; used as a solvent for gums and lacquers and in high-octane fuels